<template>
  <RenderTableColumn v-bind="column" />
</template>

<script setup lang="tsx" name="TableColumn">
import { inject, ref, useSlots } from 'vue'
import { ColumnProps, RenderScope, HeaderRenderScope } from '@/components/ProTable/interface'
import { filterEnum, formatValue, handleProp, handleRowAccordingToProp } from '@/styles/utils'

defineProps<{ column: any }>()

const slots = useSlots()

const enumMap = inject('enumMap', ref(new Map()))

// 渲染表格数据
const renderCellData = (item: ColumnProps, scope: RenderScope<any>) => {
  return enumMap.value.get(item.prop) && item.isFilterEnum
    ? filterEnum(handleRowAccordingToProp(scope.row, item.prop!), enumMap.value.get(item.prop)!, item.fieldNames)
    : formatValue(handleRowAccordingToProp(scope.row, item.prop!))
}

// 获取 tag 类型
const getTagType = (item: ColumnProps, scope: RenderScope<any>) => {
  return filterEnum(handleRowAccordingToProp(scope.row, item.prop!), enumMap.value.get(item.prop), item.fieldNames, 'tag')
}

const RenderTableColumn = (item: ColumnProps) => {
  return (
    <>
      {item.isShow && (
        <el-table-column {...item} align={item.align ?? 'center'} showOverflowTooltip={item.showOverflowTooltip ?? item.prop !== 'operation'}>
          {{
            default: (scope: RenderScope<any>) => {
              if (item._children) return item._children.map((child) => RenderTableColumn(child))
              if (item.render) return item.render(scope)
              if (slots[handleProp(item.prop!)]) return slots[handleProp(item.prop!)]!(scope)
              if (item.tag) return <el-tag type={getTagType(item, scope)}>{renderCellData(item, scope)}</el-tag>
              return renderCellData(item, scope)
            },
            header: (scope: HeaderRenderScope<any>) => {
              if (item.headerRender) return item.headerRender(scope)
              if (slots[`${handleProp(item.prop!)}Header`]) return slots[`${handleProp(item.prop!)}Header`]!(scope)
              return item.label
            }
          }}
        </el-table-column>
      )}
    </>
  )
}
</script>
